Process for preparing catalytically active coatings for the synt

Details Process for preparing catalytically active coatings for the synt Process for preparing catalytically active coatings for the synt

1999-03-30

2000-04-11

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Carbon containing

502200, B01J 2724, C01C 302

Patent

active

060485124

ABSTRACT:
A process for preparing catalytically active coatings for the synthesis of hydrogen cyanide on moulded items substantially consisting of aluminum oxide. The catalytically active coatings contain, as active components, at least one platinum group metal and a nitride waich are applied to the moulded item by means of a coating dispersion which contains the active components as finely divided solids. This means that the hitherto conventional production of aluminum nitride during the forming process is not required. The coatings therefore achieve their final activity level, which is well above that of conventional coatings, very rapidly. In addition, these catalysts can be started up under high load and have a lower operating temperature.

REFERENCES:
patent: 3112215 (1963-11-01), Ruosch et al.
patent: 5039643 (1991-08-01), Hecht et al.
patent: 5234676 (1993-08-01), Howard
patent: 5346720 (1994-09-01), Lombard et al.
patent: 5928984 (1999-07-01), Von Hippel et al.

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